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Title: Large-scale drainage behaviour of composite geotextile and geogrid in residual soil
Authors: Tan, S.A. 
Chew, S.H. 
Ng, C.C.
Loh, S.L.
Karunaratne, G.P. 
Delmas, Ph.
Loke, K.H.
Keywords: Composite geotextile
Drainage behaviour
Large scale
Pore pressure
Residual soil
Issue Date: Apr-2001
Citation: Tan, S.A., Chew, S.H., Ng, C.C., Loh, S.L., Karunaratne, G.P., Delmas, Ph., Loke, K.H. (2001-04). Large-scale drainage behaviour of composite geotextile and geogrid in residual soil. Geotextiles and Geomembranes 19 (3) : 163-176. ScholarBank@NUS Repository.
Abstract: The reinforcing capability of high strength geotextile and geogrid in residual soil has been studied recently, using pullout tests and wide width tensile tests. However, the drainage behaviour of these geosynthetics products in reinforcement applications has not been well addressed so far. This paper presents experimental evaluation of the drainage performance of a high strength composite permeable geotextile and a HDPE geogrid in a poorly draining Singapore residual soil. The drainage behaviour of these geosynthetics products embedded in poorly draining Singapore residual soil was evaluated with large-scale drainage behaviour tests. Pore pressure transducers were installed at strategic locations in the soil mass to evaluate the development and dissipation of excess pore pressure. The test results showed that with the placement of permeable geosynthetics materials, the rate of pore pressure dissipation was faster than without any geosynthetics product or with a non-permeable geosynthetics product. © 2001 Elsevier Science Ltd. All rights reserved.
Source Title: Geotextiles and Geomembranes
ISSN: 02661144
DOI: 10.1016/S0266-1144(01)00005-X
Appears in Collections:Staff Publications

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